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ESR and ENDOR investigations of phenanthrenesemiquinones

Stegmann, H. B. and Dao-Ba, Hoang and Mäurer, M. and Buchner, Hans and Hartmann, Erwin and Mannschreck, Albrecht (1988) ESR and ENDOR investigations of phenanthrenesemiquinones. Magnetic Resonance in Chemistry 26 (7), pp. 547-551.

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Abstract

A series of phenanthrenesemiquinone–diphenylthallium complexes were prepared in solution from the corresponding quinones. ESR, ENDOR and TRIPLE spectra provided the proton coupling constants and the unambiguous assignment to distinct molecular positions. The thallium splitting becomes considerably less negative if the semiquinones are twisted by steric hindrance in the 4- and 5-positions. On the ...

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Item Type:Article
Date:1988
Additional information (public):früherer Zeitschr.titel: Organic magnetic resonance
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Retired Professors > Prof.Dr. Mannschreck
Identification Number:
ValueType
10.1002/mrc.1260260704DOI
Keywords:ESR; ENDOR; Phenanthrenesemiquinones; Steric effects
Subjects:500 Science > 540 Chemistry & allied sciences
Status:Published
Refereed:Unknown
Created at the University of Regensburg:Unknown
Owner: Gertraud Kellers
Deposited On:29 Nov 2010 12:37
Last Modified:29 Nov 2010 12:37
Item ID:18457
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